2014 Buick LaCrosse Owner Manual - Page 235

Driving and Operating If the LCA displays do not light up when vehicles are in the side blind zone or rapidly approaching this zone and the system is clean, the system may need service. Take the vehicle to your dealer. When LCA is disabled for any reason other than the driver turning it off, the Side Blind Zone Alert On option will not be available on the personalization menu. When the vehicle crosses a detected lane marking, the LDW indicator will flash and either three beeps will be sounded from the left or right side, or three Safety Alert Seat pulses will occur on the left or right side of the seat, depending on the lane departure direction. LDW will not warn if the turn signal is on in the departure direction, or if a sharp maneuver is made. 9-57 Warning (Continued) . Detect lane markings and will not detect road edges. Warn that the vehicle is crossing a lane marking if the system does not detect the lane marking. . FCC Information See Radio Frequency Statement on page 13-15. { Warning The LDW system is an aid to help the vehicle stay in the driving lane. It does not steer the vehicle. The LDW system may not: . Lane Departure Warning (LDW) If equipped, LDW may help avoid crashes due to unintentional lane departures. It may provide a warning if the vehicle is crossing a detected lane marking without using a turn signal. LDW uses a camera sensor to detect the lane markings. It only operates at speeds of 56 km/h (35 mph) or greater. Provide enough time to avoid a crash. Detect lane markings under bad weather conditions or if the windshield is dirty. (Continued) . If LDW only detects lane markings on one side of the road, it will only warn you when departing the lane on the side where it has detected a lane marker. Even with LDW, always keep your attention on the road and maintain proper vehicle position within the lane, or vehicle damage, injury, or death could occur. Always keep the windshield clean and do not use LDW in bad weather conditions.